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OLM Science6_4
OLM Science6_4
OLM Science6_4
OLM Science6_4
OLM Science6_4
OLM Science6_4
OLM Science6_4
OLM Science6_4
OLM Science6_4
OLM Science6_4
OLM Science6_4
OLM Science6_4
OLM Science6_4
OLM Science6_4
OLM Science6_4
OLM Science6_4
OLM Science6_4
OLM Science6_4
OLM Science6_4
OLM Science6_4
OLM Science6_4
OLM Science6_4
OLM Science6_4
OLM Science6_4
OLM Science6_4
OLM Science6_4
OLM Science6_4
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OLM Science6_4

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Grade 6, Chapter 4

Grade 6, Chapter 4

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  • 1. Chapter 4 Rocks: Mineral Mixtures Understanding Rock Section 1
  • 2. Rock <ul><li>A solid mixture of crystals of one or more minerals </li></ul>
  • 3. Rock Cycle <ul><li>Igneous, Sedimentary &amp; Metamorphic rock </li></ul>
  • 4. Rock Cycle
  • 5. Sedimentary Rock <ul><li>Rock that forms when sediments are compacted &amp; cemented together </li></ul>
  • 6. Igneous Rock <ul><li>Forms from the cooling of Magma </li></ul>
  • 7. Lava Rock <ul><li>Magma on the Earth’s surface </li></ul>
  • 8. Metamorphic Rock <ul><li>Preexisting rock changed by heat &amp; pressure </li></ul>
  • 9. Composition <ul><li>The minerals a rock is made of </li></ul>
  • 10. Texture <ul><li>Size, shapes &amp; positions of the grains of the rock </li></ul>
  • 11. Chapter 4 Rocks: Mineral Mixtures Igneous Rock Section 2
  • 12. Temperature <ul><li>An increase in temperature can cause the rock to melt </li></ul>Gabbro.
  • 13. Felsic Granite   Rhyolite
  • 14. Mafic <ul><li>Gabbro </li></ul><ul><li>Basalt </li></ul>
  • 15. Intrusive Rock <ul><li>Magma that has cooled beneath the Earth’s surface </li></ul>
  • 16. Pluton <ul><li>Large balloon shaped intrusive formation </li></ul>
  • 17. Extrusive Igneous Rock <ul><li>Igneous rock that forms on the Earth’s surface </li></ul>                                             
  • 18. Chapter 4 Rocks: Mineral Mixtures Sedimentary Rock Section 3
  • 19. Strata <ul><li>Layers of sedimentary rock </li></ul>
  • 20. Clastic Sedimentary Rock <ul><li>Made from fragments of other rocks &amp; minerals </li></ul>
  • 21. Chemical Sedimentary Rock <ul><li>Forms from solutions of minerals &amp; water </li></ul>
  • 22. Stratification <ul><li>Layering of sedimentary rock </li></ul>
  • 23. Sedimentary Rock Cycle
  • 24. Chapter 4 Rocks: Mineral Mixtures Metamorphic Rock Section 4
  • 25. Metamorphic Rock <ul><li>Rocks in which structure, texture &amp; composition have changed </li></ul>
  • 26. Foliated <ul><li>Minerals aligned &amp; almost like pages in a book </li></ul>                                            
  • 27. Nonfoliated <ul><li>Metamorphic rock which does not have a pattern </li></ul>

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